Cheapest return flights from Thessaloniki to Keflavik in September from 217€

Best time to book flights for Thessaloniki (SKG) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Thessaloniki (SKG) to Keflavik (KEF) in September 2025 (see full year).

Return flights

09 Sep - 16 Sep SWISS
09 Sep - 20 Sep SWISS
27 Sep - 02 Oct Ryanair
18 Sep - 25 Sep Aegean Airlines
13 Sep - 19 Sep Ryanair
12 Sep - 20 Sep SWISS
10 Sep - 18 Sep transavia
23 Sep - 28 Sep airBaltic
11 Sep - 20 Sep Lufthansa
13 Sep - 21 Sep Lufthansa
10 Sep - 19 Sep transavia

Also check the deals for one-way flights from Thessaloniki to Keflavik in September.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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